<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Header</title>
        <style>
            html, body {
                position: absolute;
                top: 0px;
                left: 0px;
                width: 100%;
                height: 100%;
                padding: 0px;
                margin: 0px;
                border: 0px;
                overflow: hidden;
                background-color: transparent;
                text-align: center;
            }

            p {
                margin-top: 5px;
                margin-bottom: 5px;
                font: normal normal bold 21px/1 "Lucida Console", Monaco, monospace;
            }
        </style>
    </head>
    <body>
        <p>结构状态</p>
    </body>
</html>